Joan Montgomerie Peerage person ID=261153 (1380–1469) Parents Sir John Montgomerie of Ardrossan Agnes of the Isles Children Janet Boyd Margaret Boyd Sir Thomas Boyd, 5th of Kilmarnock William Boyd Robert Boyd, 1st Lord Boyd unknown Boyd Siblings Robert Montgomerie Anne Montgomerie Alexander Montgomerie, 1st Lord Montgomerie Hugh Montgomerie Partners Thomas Boyd, 4th of Kilmarnock